Home / 12,685,449.51-19,022,458.91-7,570,241.19

Finding the Fourth Proportional to 12,685,449.51, 19,022,458.91 and 7,570,241.19

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Solution

The fourth proportional to 12,685,449.51, 19,022,458.91 and 7,570,241.19 is: 11,351,951.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,685,449.51 : 19,022,458.91 = 7,570,241.19 : x
  2. Step 2: Convert to fraction form
    12,685,449.51/19,022,458.91 = 7,570,241.19/x
  3. Step 3: Cross multiply
    12,685,449.51x = 19,022,458.91 × 7,570,241.19
  4. Step 4: Simplify right side
    12,685,449.51x = 144,004,601,937,713.31
  5. Step 5: Solve for x
    x = 144,004,601,937,713.31/12,685,449.51
  6. Step 6: Final answer
    x = 11,351,951.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.